logd(setStorageData('feiyun', 'http://www.feiyunjs.com'));
logi(getStorageData('feiyun'));

//保存本地数据
function setStorageData(key, value) {
    return updateConfig(key, value);
}

//读取本地数据
function getStorageData(key) {
    let result = readConfigString(key);
    if (result) {
        return result;
    } else {
        //找不到则返回undefined
    }
}

//删除本地数据
function delStorageData(key) {
    return deleteConfig(key);
}